HOW TO ENTER: Limit 1 entry per person. Entries assumed to be in the form of US pounds and ounces. Comment on this thread with your guess of the EXACT weight of the mystery box.

WHO WILL WIN: One(1) winner will be selected from all valid entries. Winner will be the first person to guess the exact weight of the box. In the event of a tie, the first to guess correctly will be declared the winner. If no one guesses the exact weight, the first entry that is closest, without going over, will be declared the winner.

RULES: Open to all registered OpenBuilds.com members (you can register for free). No purchase necessary to win. Contest runs from Thursday August 10, 2017 through Sunday August 20, 2017 at 23:59:59 Eastern Time. Limit 1 entry per person. Winner will be selected from all valid entries. The weight of the box was measured by OpenBuilds and this official weight will be the weight of records for the duration of the contest. All responses will be read in US pounds and ounces. No conversions will be made on any entries. ie: An entry of "1.5" will be judged as 1 pound, 5 ounces and not as one and a half. OpenBuilds will publish all winners on OpenBuilds.coma dn OpenBuilds social media accounts. Winner must provide valid name and shipping address to receive prize. OpenBuilds is not responsible for non-delivery of prizes due to invalid address or other technical failures. Winner assumes all responsibility for any taxes and fees associated with prize. Winners have 7 days to redeem prize from the time winners are announced by OpenBuilds. Under no circumstances will the OpenBuilds entities be liable for any loss or damage caused by your receipt of or use of the contents of the Mystery Box. By entering the contest, you agree to the rules of this contest. Contest is in no way affiliated with YouTube, Instagram, Twitter, Facebook, or Google.